.w{
    width: 1450px;
    margin: 0 auto;
}
.h{
    height: 100px;
}
.fr{
    float: right;
}
.fl{
    float: left;
}
nav{
    height: 42px;
}
nav div{
    margin-right: 20px;
}
nav div a{
    margin-right: 20px;
    margin-right: 20px;
    line-height: 42px;
}
nav div a:hover{
    color: green;
    cursor: pointer;
}
.nav-1 a{
    font-size: 24px;
}
.nav-2 a{
    font-size: 14px;
    color: #888;
}
.nav-3 a{
    font-size: 14px;
    color: #888;
}
main div img{
    width: 316px;
    border-radius: 10px;
    margin-bottom: 10px;
}
main>div{
    width: 336px;
    height: 448px;
    margin-right: 20px;
    margin-bottom: 30px;
    margin-top: 20px;
    padding: 10px;
    border-radius: 10px;
    background-color: #f0f0f0;
    overflow: hidden;
}
.main-ad{
    border: 1px solid orange;
    color: orange;
    border-radius: 5px;
}
main .kato{
     width: 544px;
    height: 766px;
    transform: rotate(15deg) translateX(-180px);
    animation: move 5s linear infinite alternate;
    position: relative;
    left: 20px;
}
@keyframes move{
    from{ top: 0; }
    to{ top: -260px; }
}

.kato div{
    width: 176px;
    float: left;
}
.kato img{
    left: 400px;
    top: 50%;
    width:100%;
    height: 100%;
}
.head1{
    margin: 8px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    width: 300px;
    height: 380px;
    margin: 8px 8px 0 8px;
    border-radius: 0;
    /* border-radius: 10px 10px 0 0; */
    background-color: rgb(255, 255, 255);
    border-radius: 10px;
    margin-bottom: 10px;
}
.goods{
position: relative;
}
.overlay{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    display: none;
}
.goods:hover .overlay{
    display: block;
}
.fav{
    width: 65px;
    height: 33px;
    text-align: center;
    position: absolute;
    top: -40px;
    right: 8px;
    border-radius: 5px;
    background-color: #fff;
    padding: 5px 10px;
    transition: all 0.3s linear;
}
.goods:hover .fav{
    top: 8px;
}
.download{
    width: 200px;
    height: 40px;
    line-height: 30px;
    text-align: center;
    color: #fff;
    background-image: linear-gradient(to right, rgb(178, 252, 159) , rgb(90, 255, 40));
    position: absolute;
    bottom: -100px;
    left: calc(50% - 100px);
    border-radius: 5px;
    /* background-color: #fff; */
    padding: 5px 10px;
    transition: all 0.3s linear;
}
.goods:hover .download{
    bottom: 40px;
}